ghk-cu tolerance or desensitization or downregulation or loss of effectiveness Side Effects: What Does the Research Say? Doctor Explains GHK-Cu Protocol — Skin, Hair
Description
If the spasm continues, the muscle may become contracted (or shortened) which increases the pain and inflammation
Absence of expected improvement by mid-protocol (4-6 weeks) warrants reassessment

How This Compares to Other Research Dhurat et al

PLoS One, 9(6), e100379
Today, well break down the science behind peptides for hair loss

2019;366(6472):eaav1741
